<template>
  <div class="container">
    <!-- 表单筛选区域 -->
    <el-form inline>
      <el-form-item label="标题">
        <el-input
          v-model="queryData.title"
          size="small"
          placeholder="请输入"
        />
      </el-form-item>
      <el-form-item label="分类">
        <el-select v-model="queryData.cateid" placeholder="请选择">
          <el-option
            v-for="item in options"
            :key="item.id"
            :label="item.catename"
            :value="item.id"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <template>
          <div class="block">
            <span class="demonstration">时间</span>
            <el-date-picker
              v-model="value"
              type="datetimerange"
              range-separator="至"
              start-placeholder="开始日期"
              end-placeholder="结束日期"
              value-format="timestamp"
              @change="changeTime"
            />
          </div>
        </template>
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          size="small"
          @click="onSubmit"
        >搜索</el-button>
        <el-button size="small" @click="onReset">重置</el-button>
      </el-form-item>
    </el-form>
    <!-- 操作区域 -->
    <el-row type="flex" justify="space-between" align="middle">
      <!-- 左侧 -->
      <div class="left">
        <el-button
          type="primary"
          plain
          size="small"
          icon="el-icon-plus"
          @click="role"
        >新增</el-button>
        <el-button
          type="warning"
          plain
          size="small"
          icon="el-icon-download"
          @click="$refs.addForm.dialogShow = true"
        >导出</el-button>
      </div>
      <!-- 右侧 -->
      <div class="right">右侧区域</div>
    </el-row>
    <br>
    <!-- 表格区域 -->
    <el-table :data="list" border>
      <el-table-column type="index" label="#" />
      <el-table-column prop="id" label="ID" />
      <el-table-column prop="title" label="标题" />
      <el-table-column prop="catename" label="分类名" />
      <el-table-column prop="pic" label="图片">
        <template slot-scope="{row}">
          <img :src="showImgUrl(row.pic)" alt="" height="80">
        </template>
      </el-table-column>
      <el-table-column prop="create_date" label="创建时间">
        <template slot-scope="{row}">
          {{ row.create_date |formatDate }}
        </template>
      </el-table-column>
      <!-- 1是推荐，0是置顶 2是待审核-->
      <el-table-column prop="ishot" label="是否推荐">
        <template slot-scope="{row}">
          <el-switch
            :value="row.ishot"
            active-color="#409eff"
            inactive-color="#dcdfe6"
            :active-value="1"
            :inactive-value="0"
          />
        </template>
      </el-table-column>
      <el-table-column prop="istop" label="是否置顶">
        <template slot-scope="{row}">
          <el-switch
            :value="row.istop"
            active-color="#409eff"
            inactive-color="#dcdfe6"
            :active-value="1"
            :inactive-value="0"
          />
        </template>

      </el-table-column>
      <el-table-column prop="status" label="文章状态">
        <template slot-scope="{row}">
          <el-tag>{{ row.status ? '待发布' : "待审核" }}</el-tag>

        </template>
      </el-table-column>
      <el-table-column label="操作">
        <template slot-scope="{ row }">
          <el-button
            type="success"
            plain
            size="small"
            icon="el-icon-edit"
            @click="$router.push(`/content_article/edit/${row.id}`)"
          >修改</el-button>
          <el-button
            type="danger"
            plain
            size="small"
            icon="el-icon-delete"
            @click="delRow(row.id)"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <br>
    <!-- 分页区域 -->
    <el-pagination
      :current-page.sync="queryData.page"
      :page-sizes="[10, 20, 30, 40]"
      :page-size="queryData.limit"
      layout="total, sizes, prev, pager, next, jumper"
      :total="totalNum"
      background
      @size-change="sizeChange"
      @current-change="currentChange"
    />
  </div>
</template>
<script>
import {
  getYddArticleListApi,

  delYddArticleInfoApi,
  getYddCateAllApi
} from '@/api/ydd_article'
// import bus from '@/common/bus'
export default {
  name: 'AdvPos',

  data() {
    return {
      list: [], // 表格数据
      totalNum: 0, // 总数
      // 列表的需要的参数
      queryData: {
        start_time: '',
        end_time: '',
        title: '',
        cateid: '',
        page: 1,
        limit: 10
      },
      value: '',
      ishot: false,
      istop: false,
      options: []

    }
  },
  async created() {
    // 调用初始化
    this.initData()
    const res = await getYddCateAllApi()
    console.log(res)
    this.options = res.data
  },
  methods: {
    role() {
      this.$router.push({
        path: '/content_article/add'
      })
    },
    changeTime() {
      this.queryData.start_time = this.value[0]
      this.queryData.end_time = this.value[1]
    },
    showImgUrl(val) {
      return process.env.VUE_APP_BASE_API + '/' + val
    },
    // 初始化数据
    async initData() {
      // 发起请求
      const res = await getYddArticleListApi(this.queryData)
      // 数据可能需要加工
      // 赋值
      this.totalNum = res.data.count
      this.list = res.data.data
    },
    // 搜索提交
    onSubmit() {
      // 页码变成1
      this.queryData.page = 1
      // 拉取列表
      this.initData()
    },
    // 搜索重置
    onReset() {
      // 重置搜索表单
      this.queryData = {
        start_time: '',
        end_time: '',
        title: '',
        cateid: '',
        page: 1,
        limit: 10
      }
      // 拉取列表
      this.initData()
    },
    // 每页数量变化的时候
    sizeChange(newSize) {
      // newSize 最新的每页数量
      this.queryData.limit = newSize
      this.initData()
    },
    // 页码变化事件
    currentChange(newPage) {
      // newPage 最新的页码
      this.queryData.page = newPage
      this.initData()
    },
    // 修改事件
    // async editRow(rowId) {
    //   this.$router.push({
    //     path: `/content_article/edit/${rowId}`
    //   })
    //   // 获取改行的数据
    //   const res = await getYddArticleInfoApi({ id: rowId })
    //   // 赋给弹框里面的表单
    //   console.log(res)
    //   // this.$refs.addForm.formData = res.data
    //   bus.$emit('toinfo', res.data)
    //   // 复杂点：一些负责的表单控件需要手动去回显
    //   // 打开弹框
    //   // this.$refs.addForm.dialogShow = true
    // },
    // 删除事件
    async delRow(rowId) {
      // 弹出确认框
      await this.$confirm('确认删除吗')
      // 发生删除请求
      await delYddArticleInfoApi({ id: rowId })
      // 提示成功
      this.$message.success('删除成功')
      // 边缘问题：如果不是第一页，且这一页只有一个，且删除成功，页码需要-1
      if (this.queryData.page > 1 && this.list.length === 1) {
        this.queryData.page--
      }
      // 列表更新
      this.initData()
    }
  }
}
</script>
<style scoped>
.container {
  padding: 30px;
}
</style>
